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E2M275
Edwards E2M275 User Manual
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A366-04-880 I
ssue A
Page 2
© Edwards Lim
ited 201
4. All ri
ghts re
served.
Edwards and the Edward
s logo a
re trademarks of Edwards Limited.
Introduction
Figure 1 - The E2M175 pump
1.
Gas-ballast control
2.
External oil-filter connections
3.
Oil filler-plug
4.
Outlet-port
5.
Inlet-port
6.
Motor terminal-box
7.
Oil-filter location
8.
Oil pressure-gauge
9.
Oil-
level s
ight-g
lass
10.
Oil drain-tap
11.
Cooling-wat
er connections
6
8
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
6
Scope and Definitions
6
The E2M175 Pump
7
Description
8
Gas Ballast
8
Technical Data
10
Operating and Storage Conditions
10
Performance
10
Dimensions E2M175 (MM)
11
Dimensions E2M275 (MM)
12
Mechanical Data
13
Electrical Data: Three-Phase Motors
13
Lubrication Data
14
Installation
16
Safety
16
System Design Considerations
16
Unpack and Inspect
17
Locate the Pump
17
Connect the Pump to the Cooling Water
17
Fill the Pump with Oil
17
Recommended Pump Oils
17
Filling Procedure
18
Electrical Installation
18
Connect the Pump to Your Electrical Supply
18
Oil Level Indication
18
Check the Direction of Rotation
19
Connect the Pump Inlet to Your System
19
Connect the Pump Outlet to Your System
20
Gas-Ballast Inlet Connection
20
Leak-Test the System
20
Operation
22
Gas-Ballast Control
22
Start-Up Procedure
22
To Achieve Ultimate Vacuum
22
To Pump Condensable Vapours
23
To Decontaminate the Oil
23
Unattended Operation
23
Shut-Down
23
Maintenance
24
Safety
24
Maintenance Plan
25
Check the Oil-Level
25
Replace the Oil
26
Clean the Fine Oil-Filter
27
Remove and Replace Filter-Element
27
Replace the Gas-Ballast Filter
28
Remove and Replace Gas-Ballast Filter-Elements
28
Inspect and Clean the Inlet-Filter
29
Clean the Motor Fan-Cover
29
Clean and Overhaul the Pump
29
Remove and Replace Inlet-Filter
29
Test the Motor Condition
30
Fit New Blades
30
Basic Fault-Finding
30
The Pump Has Failed to Start
30
The Pump Fails to Achieve Its Specified Performance
30
The Pump Is Noisy
31
The Pump Is too Hot
31
The Vacuum Is Not Fully Maintained after the Pump Is Switched off
31
The Pumping Speed Is Poor
31
There Is an External Oil Leak
31
Storage and Disposal
32
Storage
32
Disposal
32
Service, Spares and Accessories
34
Introduction
34
Service
34
Spares
34
Accessories
35
Inlet Dust-Filter
35
Inlet Catchpot
35
High-Capacity Inlet Dust-Filter
35
Inlet Chemical-Trap
35
Outlet Catchpot
35
Outlet Mist-Filter (Clean Applications)
36
External Oil Filter
36
Solenoid-Operated Gas-Ballast Control Valve
36
Thermostatic Control Valve
36
Vibration Isolators
37
Accessories
37
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Instruction Manual
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Edwards E2M275 Specifications
General
Brand
Edwards
Model
E2M275
Category
Water Pump
Language
English
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